| 摘要 |
This device is used for frontal welding. It removes the influence of the vertical and horizontal displacement of the welded elements. The device contains two executive mechanisms and four coils (3, 4, 5 and 6), fastened to the burner and switched to generators (7, 8, 9 and 10), which are connected, respectively, to top detectors (11, 12, 13 and 14). The outlets of the top detectors (13 and 14) are switched to a comparator (15), connected to a logical element (16), the other inlets of which are connected to the top detectors. The logical element is connected to a comparison element (17), a regulator (18) and to the executive mechanism (1). To the comparison element is linked an assignment device (19). The comparator is switched to the inlet of another logical element (20), whose remaining inlets are connected to the top detectors (11 and 12). The logical element (20) is connected to consecutively-linked comparison element (21), inverter (22), a logical element (23), a regulator (24) and an executive mechanism (2). The logical element (23) is connected to the comparator, while its other inlet - to a comparison element (21). The inlet of the latter is connected to an assignment device (25).
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